Method for Directly Issuing and Using Discount Coupon by Product Buyer Himself/Herself

摘要

The present invention relates to a “method for issuing and using a discount coupon”, in which a product seller can pay a predetermined deposit necessary for issuing the discount coupon to a discount coupon management server having a discount coupon issuing function and a consumer can extemporally issue and use a discount coupon related to a product when purchasing the product. The method comprises the steps of: a) accumulating, by a product seller, a predetermined deposit in the discount coupon management server; and b) accessing the discount coupon management server and issuing a predetermined discount coupon for a product which a product buyer wants to buy, by the product buyer himself/herself, the discount coupon having a predetermined discount price to be discounted within the deposit, wherein at least one predetermined discount coupon is issued within the deposit. Further, when the predetermined discount coupon is used before an expiration date after being issued, the deposit is reduced in proportion to an issue price of the discount coupon. Also, when the predetermined discount coupon is not used before the expiration date after being issued, the deposit is not reduced.